reactive

Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

re·ac·tive

(rē-ăk′tĭv)

adj.

1. Tending to be responsive or to react to a stimulus.

2. Characterized by reaction.

3. Chemistry & Physics Tending to participate readily in reactions.

re·ac′tive·ly adv.

re·ac′tive·ness, re′ac·tiv′i·ty n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

reactive

(rɪˈæktɪv)

adj

1. (Chemistry) readily partaking in chemical reactions: sodium is a reactive metal; free radicals are very reactive.

2. (General Physics) of, concerned with, or having a reactance

3. (Electronics) of, concerned with, or having a reactance

4. responsive to stimulus

5. (Psychiatry) (of mental illnesses) precipitated by an external cause: reactive depression.

reˈactively adv

reactivity, reˈactiveness n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

re•ac•tive

(riˈæk tɪv)

adj.

1. tending to react.

2. pertaining to or characterized by reaction.

3. pertaining to or characterized by reactance.

[1705–15]

re•ac′tive•ly, adv.

re•ac•tiv′i•ty, n.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Switch to new thesaurus

Adj.	1.	reactive - participating readily in reactions; "sodium is a reactive metal"; "free radicals are very reactive" chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics" unreactive - (chemistry) not reacting chemically
	2.	reactive - reacting to a stimulus; "the skin of old persons is less reactive than that of younger persons" responsive sensitive - responsive to physical stimuli; "a mimosa's leaves are sensitive to touch"; "a sensitive voltmeter"; "sensitive skin"; "sensitive to light"

reactive

adjective apathetic, passive, laissez-faire, inactive, submissive, uninvolved, unassertive, non-participating I want our organization to be less reactive and more pro-active.

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

Translations

réactif

reattivo

reactive

[riːˈæktɪv] ADJ → reactivo

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

reactive

adj (Chem, Phys) → reaktiv

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

reactive

[riːˈæktɪv] adj → reattivo/a

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

reactive

a. reactivo-a, que tiene la propiedad de reaccionar o de causar una reacción.

English-Spanish Medical Dictionary © Farlex 2012

reactive

adj reactivo

References in periodicals archive ?

In the first half of the text, he provides a statistical description of a gaseous reactive medium, develops solutions for evolution equations at the semi-microscopic and macroscopic levels, determines transport properties for pure gases and mixtures corresponding to linearized non-equilibrium of zero order solutions, and proposes a general method of modeling reactive gas flows with arbitrary degree and type of non-equilibrium.

Introduction to reactive gas dynamics

Furthermore, esterification is an equilibrium limited reaction and is therefore frequently carried out in a reactive distillation process to obtain higher yields of product and to increase reaction rates by removing one of the products from the reaction zone.

Esterification of acrylic acid with 1,4-butanediol in a batch distillation column reactor over Amberlyst 15 catalyst

The team engineered the molecules to be either reactive or inert at the tip of each arm, and then temporarily capped the reactive tips with bromine atoms.

Hooking up

The first uses procedures similar to those described by Schwertmann (1964), who proposed using the amount of iron (Fe) and aluminium (Al) extracted by ammonium oxalate from soil, commonly known as reactive Fe and Al, to estimate P sorption.

Converting reactive iron, reactive aluminium, and phosphorus retention index (PRI) to the phosphorus buffering index (PBI) for sandy soils of south-western Australia

Reactive power is required for transmission of active power, control of voltage and system and normal operation of power systems.

Pricing of reactive power service

Reactive diluents, commonly known as thinners, rheology modifiers, or viscosity modifiers, are generally added to adhesives, coatings, paints, and sealants, to change their concentration and make them suitable based on their application.

Reactive Diluents Market Competitive Landscape By 2028

Summary: Reactive diluents, commonly known as thinners, rheology modifiers, or viscosity modifiers, are generally added to adhesives, coatings, paints, and sealants, to change their concentration and make them suitable based on their application.

Reactive Diluents Market Competitive Landscape By 2028

She also received post-screening counseling, as results are discussed whether the test is reactive or non-reactive.

WATCH: Catriona Gray proves HIV testing 'shouldn't be scary'

Additional laboratory experiments show that the NA-reactive antibodies induced during natural influenza infection are broadly reactive, meaning they could potentially protect against diverse strains of influenza.

Research offers clues for improved influenza vaccine design

Group A - patients with reactive trace and group B - patients with abnormal trace, including suspicious or pathological trace.